it is very much like britain and rome. if you look at the realms beaches in the senate, just before the empire, use the absolute predictions of catastrophe. that happened to. >> host: okay, so 10 years so now we'll come back and have this conversation. we will see how it worked out. >> guest: it will be the same conversation. >> host: thank you so much. it's been a great conversation today. >> guest: i enjoyed it. >> that was "after words," booktv signature program in which authors of latest nonfiction books are in the by journalists, public policymakers, legislators and others familiar with the material. "after words" airs every weekend on booktv at 10 p.m. on saturday, 12 and 9 p.m. on sunday and 12 a.m. on monday. you can also watch "after words" online. go to booktv.org and click on "after words" in the booktv series on the upper right side of the page. >> up next on booktv, investigative reporter annie jacobsen presents the history of the military base, area 51, which is located in the nevada desert. the author use of